CA2114411A1 - Polyurethane foams - Google Patents

Polyurethane foams

Info

Publication number
CA2114411A1
CA2114411A1 CA002114411A CA2114411A CA2114411A1 CA 2114411 A1 CA2114411 A1 CA 2114411A1 CA 002114411 A CA002114411 A CA 002114411A CA 2114411 A CA2114411 A CA 2114411A CA 2114411 A1 CA2114411 A1 CA 2114411A1
Authority
CA
Canada
Prior art keywords
isocyanate
foam
prepolymer
ether
aliphatic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002114411A
Other languages
English (en)
French (fr)
Inventor
Angela N. O'reilly
Richard Milner
Michael F. Shelvey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smith and Nephew PLC
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2114411A1 publication Critical patent/CA2114411A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
    • C08G18/724—Combination of aromatic polyisocyanates with (cyclo)aliphatic polyisocyanates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/425—Porous materials, e.g. foams or sponges
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/2815—Monohydroxy compounds
    • C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • C08G18/4841—Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Materials Engineering (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CA002114411A 1991-08-20 1992-08-19 Polyurethane foams Abandoned CA2114411A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919117913A GB9117913D0 (en) 1991-08-20 1991-08-20 Polyurethane foams
GB9117913.5 1991-08-20

Publications (1)

Publication Number Publication Date
CA2114411A1 true CA2114411A1 (en) 1993-03-04

Family

ID=10700213

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002114411A Abandoned CA2114411A1 (en) 1991-08-20 1992-08-19 Polyurethane foams

Country Status (8)

Country Link
EP (1) EP0599932A1 (ja)
JP (1) JPH06510312A (ja)
AU (1) AU656997B2 (ja)
CA (1) CA2114411A1 (ja)
GB (2) GB9117913D0 (ja)
MX (1) MX9204833A (ja)
WO (1) WO1993004101A1 (ja)
ZA (1) ZA926233B (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4328190A1 (de) * 1993-08-23 1995-03-02 Beiersdorf Ag Wundversorgungsartikel mit selektivem Absorptionsvermögen
CZ297662B6 (cs) 2001-05-21 2007-02-28 Huntsman International Llc Velmi mekký polyurethanový elastomer
US8741977B2 (en) 2007-03-13 2014-06-03 Avery Dennison Corporation Foam compositions and articles including cyclodextrin crosslinked with polyurethane prepolymer and preparation thereof
EP2289959A1 (de) * 2009-08-29 2011-03-02 Bayer Material Science AG Hydrophile, aliphatische Polyurethan-Schäume
EP2471830A4 (en) * 2009-09-18 2014-05-07 Asahi Glass Co Ltd PROCESS FOR THE PRODUCTION OF SOFT POLYURETHANE FOAM
FR2974004B1 (fr) 2011-04-15 2014-05-02 Urgo Lab Pansement absorbant hydrocellulaire, ses utilisations pour le traitement des plaies chroniques et aigues
FR2974005B1 (fr) 2011-04-15 2014-05-02 Urgo Lab Pansement adhesif mince tres absorbant, ses utilisations pour le traitement des plaies chroniques
EP3508182A1 (en) 2011-07-14 2019-07-10 Smith & Nephew PLC Wound dressing and method of treatment
FR3003463B1 (fr) 2013-03-20 2015-04-10 Urgo Lab Pansement ayant un bord peripherique adhesif avec un pourtour ondule
US9422394B2 (en) 2013-06-28 2016-08-23 Sabic Global Technologies B.V. Thermoplastic polyurethane and associated method and article
US9169368B2 (en) 2013-07-30 2015-10-27 Sabic Global Technologies B.V. Rigid foam and associated article
US9266997B2 (en) * 2013-09-20 2016-02-23 Sabic Global Technologies B.V. Polyurethane foam and associated method and article
FR3056100B1 (fr) 2016-09-20 2019-07-05 Urgo Recherche Innovation Et Developpement Pansement absorbant comprenant un non-tisse superabsorbant hydrodelitable
GB201818829D0 (en) 2018-11-19 2019-01-02 Smith & Nephew Absorbent component
GB201818824D0 (en) 2018-11-19 2019-01-02 Smith & Nephew Absorbent yarn
GB201912071D0 (en) 2019-08-22 2019-10-09 Smith & Nephew Wound dressing
GB201912076D0 (en) 2019-08-22 2019-10-09 Smith & Nephew Absorbent component
FR3133122B1 (fr) 2022-03-03 2024-03-01 Urgo Rech Innovation Et Developpement Pansement modulable

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH433740A (fr) * 1964-10-14 1967-04-15 Elekal Societe Anonyme Procédé de fabrication d'une mousse hydrophile de polyuréthane
US3457203A (en) * 1966-04-25 1969-07-22 Olin Mathieson Hydrophilic polyurethane foams and a process for preparing them
US4292412A (en) * 1980-01-16 1981-09-29 W. R. Grace & Co. Hydrophilic, fabric softener foam compositions and method of making
US4439553A (en) * 1983-01-17 1984-03-27 W. R. Grace & Co. High molecular weight aromatic amine scavengers and method of use
ATE75017T1 (de) * 1987-07-15 1992-05-15 Proni Creations Inc Eine kraftkonzentrierende einheitliche rohrverbindung.
ES2024511B3 (es) * 1987-07-17 1992-03-01 Smith & Nephew Espumas de poliuretano hidrofilico.

Also Published As

Publication number Publication date
GB9400982D0 (en) 1994-03-16
AU2440492A (en) 1993-03-16
EP0599932A1 (en) 1994-06-08
AU656997B2 (en) 1995-02-23
GB2273296B (en) 1995-05-24
ZA926233B (en) 1994-03-18
WO1993004101A1 (en) 1993-03-04
GB2273296A (en) 1994-06-15
JPH06510312A (ja) 1994-11-17
MX9204833A (es) 1993-03-01
GB9117913D0 (en) 1991-10-09

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Legal Events

Date Code Title Description
FZDE Dead